05000220/LER-1979-010-03, /03L-0 on 790424:during Refueling Outage, Containment Vacuum Relief Valve 68 IV-10 Flange Failed Leak Rate test.O-rings Replaced on Flange

/03L-0 on 790424:during Refueling Outage, Containment Vacuum Relief Valve 68 IV-10 Flange Failed Leak Rate test.O-rings Replaced on Flange

ML18037A169
Person / Time
Site:	Nine Mile Point
Issue date:	05/23/1979
From:	Duda E NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053A699	List: 05000220/LER-1979-010-03, /03L-0 on 790424:during Refueling Outage, Containment Vacuum Relief Valve 68 IV-10 Flange Failed Leak Rate test.O-rings Replaced on Flange ML17053A698
References
LER-79-010-03L, LER-79-10-3L, NUDOCS 7905300496
Download: ML18037A169 (2)

LER-1979-010, /03L-0 on 790424:during Refueling Outage, Containment Vacuum Relief Valve 68 IV-10 Flange Failed Leak Rate test.O-rings Replaced on Flange

Event date:
Report date:
2201979010R03 - NRC Website

text

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LICENSEE EVENT REPORT U. S. NUCLEAR REGULATORY COMMISSION

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'5 REPORT DATE EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES QIO

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0 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION ANDCORRECTIVE ACTIONS Q27 0-rings were replaced on flange of containment vacuum relief valve (68'Y-10), which subsequently passed its leak rate test.

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10 12 ACTIVITY CONTENT RELEASEO OF RELEASE 6

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'IO PUBLICITY ISSUED DESCRIPTION~

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